We teamed up with the nonstick cookware innovators at Napa Valley-based Hestan to create our signature Thermo-Clad™ Nonstick collection. Designed in-house and made to our exacting specifications, these top-tier nonstick pans are built for maximum heat efficiency and durability. Tri-ply layering incorporates a premium nonstick finish, a hard-anodized aluminum body and a stainless-steel induction base. This 10-piece set provides a versatile range of pans for everyday meals and entertaining. Thermo-Clad technology ensures efficient, uniform heating with no hot spots. Dent-resistant, hard-anodized aluminum body offers quick heat-up and cool-down. Durable PFOA-free nonstick coating inside and out for easy release and quick cleanup. Designed for use with metal utensils; dishwasher and oven safe. Patented tri-ply stainless-steel induction-compatible base is fully encapsulated and will never corrode. Induction-compatible base provides even heat distribution. Stay-cool stainless-steel handle is ergonomically designed for comfort and control. 4-qt. saucepan and 6-qt. essential pan each have helper handle to ease lifting and transfer. Double-wall insulated stainless-steel lids circulate heat and help keep food warm. Ideal for all types of cooktops, including induction. Designed by Williams Sonoma; manufactured by Hestan. 10-piece set includes: 8 1/2" fry pan 10 1/2" fry pan 2-qt. saucepan with lid 4-qt. saucepan with lid 6-qt. essential pan with lid 8-qt. stockpot with lid